263901252775 has 12 divisors (see below), whose sum is σ = 327756174544. Its totient is φ = 210786408000.

The previous prime is 263901252757. The next prime is 263901252859. The reversal of 263901252775 is 577252109362.

It is not a de Polignac number, because 263901252775 - 2¹⁵ = 263901220007 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8348766 + ... + 8380315.

Almost surely, 2^263901252775 is an apocalyptic number.

263901252775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

263901252775 is a deficient number, since it is larger than the sum of its proper divisors (63854921769).

263901252775 is a wasteful number, since it uses less digits than its factorization.

263901252775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16729722 (or 16729717 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 263901252775 in words is "two hundred sixty-three billion, nine hundred one million, two hundred fifty-two thousand, seven hundred seventy-five".